Juan de la Cierva
Juan de la Cierva y Codorníu, 1st Count of la Cierva was a Spanish civil engineer, pilot and aeronautical engineer. His most famous accomplishment was the invention in 1920 of the first helicopter called Autogiro, a single-rotor type of aircraft that came to be called autogyro in the English language. In 1923, after four years of experimentation, De la Cierva developed the articulated rotor, which resulted in the world's first successful flight of a stable rotary-wing aircraft, with his C.4 prototype.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
September 21st, 1895
Age
131
Birth Place
Spain, Region of Murcia
Date of Death
December 9th, 1936
Died Aged
41
Star Sign
Virgo
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